Two compounds of the same molar mass in which A is nonpolar and B is polar. Which of the following statements is true ?    

When choosing a new dive buddy, judgment should be based on:

It’s important that an IANTD EANx Diver never dive a tank that they haven’t personally analyzed. 

You start your dive with 3000 psi (204 bar), and your buddy has 2200 psi (150 bar).  What is you and your buddy’s turn pressures?

If you become entangled in the guideline:

After testing/ analyzing your gas cylinders, it’s important to record the mixture on the content sticker along with the maximum operating depth for the mixture because on dive boats and at various dive locations, cylinders may look similar. 

Which Lewis structure BEST describes the carbonate ion?  

Who double checks all the wraps or placements?

What are the two types of Oxygen Toxicity that pose a concern for the EANx Diver? 

The most serious type of decompression sickness is that affecting the: